Go to Gbic-shop.de and buy the best quality QSFP28 DAC products at an affordable price. QSFP28 DAC provides a high density interconnects solution alternative for high speed interconnects from 10G to 100G to fiber optics transceivers. Visit for more info-: https://www.gbic-shop.de/SFP-Plus-Direct-Attach-CablesAll Rights Reserved